>>28509378> https://itazuraneko.neocities.org/learn/guide.html#IntroductionThere are no shortcuts but there are some tricks, learning words and verbs helps a lot, so you just have to "fill in the gaps", Himari speaks very basic jp so it's a good place to start. Ito and Yue speak jp combined with eng so you get used to it.
Apps like duolingo are not good for learning but they are good for practicing, as for kanji I don't know anything but I will surely print the workbooks soon.
Depending on your interest you might understand Yome's jokes in about 2 months before someone translates them.